Hide metadata

dc.contributor.authorLindqvist, Charlotte
dc.contributor.authorRoy, Tilottama
dc.contributor.authorLydersen, Christian
dc.contributor.authorKovacs, Kit M
dc.contributor.authorAars, Jon
dc.contributor.authorWiig, Øystein
dc.contributor.authorBachmann, Lutz
dc.date.accessioned2016-02-23T07:23:25Z
dc.date.available2016-02-23T07:23:25Z
dc.date.issued2016
dc.identifier.citationBMC Research Notes. 2016 Feb 18;9(1):112
dc.identifier.urihttp://hdl.handle.net/10852/49225
dc.description.abstractBackground The population size of Atlantic walruses (Odobenus rosmarus rosmarus) is depleted relative to historical abundance levels. In Svalbard, centuries of over-exploitation brought the walrus herds to the verge of extinction, and such bottlenecks may have caused loss of genetic variation. To address this for Svalbard walruses, mitochondrial haplotypes of historical walruses from two major haul-out sites, Bjørnøya and Håøya, within the Archipelago were explored using bone samples from animals killed during the peak period of harvesting. Results Using ancient DNA methodologies, the mitochondrial NADH dehydrogenase 1 (ND1) gene, the cytochrome c oxidase 1 (COI) gene, and the control region (CR) were targeted for 15 specimens from Bjørnøya (of which five were entirely negative) and 9 specimens from Håøya (of which one was entirely negative). While ND1 and COI sequences were obtained for only a few samples, the CR delivered the most comprehensive data set, and the average genetic distance among historic Svalbard samples was 0.0028 (SD = 0.0023). Conclusions The CR sequences from the historical samples appear to be nested among contemporary Atlantic walruses, and no distinct mitochondrial haplogroups were identified in the historical samples that may have been lost during the periods of extensive hunting. However, given the low sample size and poor phylogenetic resolution it cannot be excluded that such haplogroups existed.
dc.language.isoeng
dc.rightsLindqvist et al.
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleGenetic diversity of historical Atlantic walruses (Odobenus rosmarus rosmarus) from Bjørnøya and Håøya (Tusenøyane), Svalbard, Norway
dc.typeJournal article
dc.date.updated2016-02-23T07:23:26Z
dc.creator.authorLindqvist, Charlotte
dc.creator.authorRoy, Tilottama
dc.creator.authorLydersen, Christian
dc.creator.authorKovacs, Kit M
dc.creator.authorAars, Jon
dc.creator.authorWiig, Øystein
dc.creator.authorBachmann, Lutz
dc.identifier.doihttp://dx.doi.org/10.1186/s13104-016-1907-8
dc.identifier.urnURN:NBN:no-52994
dc.type.documentTidsskriftartikkel
dc.type.peerreviewedPeer reviewed
dc.identifier.fulltextFulltext https://www.duo.uio.no/bitstream/handle/10852/49225/1/13104_2016_Article_1907.pdf
dc.type.versionPublishedVersion
cristin.articleid112


Files in this item

Appears in the following Collection

Hide metadata

Attribution 4.0 International
This item's license is: Attribution 4.0 International